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Annotation of researchv10no/ncurses/screen/overwrite.c, revision 1.1

1.1     ! root        1: # include      "curses.ext"
        !             2: /*     @(#) overwrite.c: 1.1 10/15/83  (1.2    4/7/82) */
        !             3: 
        !             4: # define       min(a,b)        (a < b ? a : b)
        !             5: 
        !             6: /*
        !             7:  *     This routine writes win1 on win2 destructively.
        !             8:  *
        !             9:  * 1/26/81 (Berkeley) @(#)overwrite.c  1.1
        !            10:  */
        !            11: overwrite(win1, win2)
        !            12: reg WINDOW     *win1, *win2; {
        !            13: 
        !            14:        reg int         x, y, minx, miny, starty;
        !            15: 
        !            16: # ifdef DEBUG
        !            17:        if(outf) fprintf(outf, "OVERWRITE(0%o, 0%o);\n", win1, win2);
        !            18: # endif
        !            19:        miny = min(win1->_maxy, win2->_maxy);
        !            20:        minx = min(win1->_maxx, win2->_maxx);
        !            21: # ifdef DEBUG
        !            22:        if(outf) fprintf(outf, "OVERWRITE:\tminx = %d,  miny = %d\n", minx, miny);
        !            23: # endif
        !            24:        starty = win1->_begy - win2->_begy;
        !            25:        for (y = 0; y < miny; y++)
        !            26:                if (wmove(win2, y + starty, 0) != ERR)
        !            27:                        for (x = 0; x < minx; x++)
        !            28:                                waddch(win2, win1->_y[y][x]);
        !            29: }

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